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Fix kubectl-helm-minikube installation failures on debian:11 and ubuntu:focal #1578

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Fix kubectl-helm-minikube installation failures on debian:11 and ubuntu:focal #1578

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114 changes: 57 additions & 57 deletions src/kubectl-helm-minikube/devcontainer-feature.json
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Original file line number Diff line number Diff line change
@@ -1,61 +1,61 @@
{
"id": "kubectl-helm-minikube",
"version": "1.2.2",
"name": "Kubectl, Helm, and Minikube",
"documentationURL": "https://github.com/devcontainers/features/tree/main/src/kubectl-helm-minikube",
"description": "Installs latest version of kubectl, Helm, and optionally minikube. Auto-detects latest versions and installs needed dependencies.",
"options": {
"version": {
"type": "string",
"proposals": [
"latest",
"none",
"1.23",
"1.22",
"1.21",
"none"
],
"default": "latest",
"description": "Select or enter a Kubernetes version to install"
},
"helm": {
"type": "string",
"proposals": [
"latest",
"none"
],
"default": "latest",
"description": "Select or enter a Helm version to install"
},
"minikube": {
"type": "string",
"proposals": [
"latest",
"none"
],
"default": "latest",
"description": "Select or enter a Minikube version to install"
}
"id": "kubectl-helm-minikube",
"version": "1.3.1",
"name": "Kubectl, Helm, and Minikube",
"documentationURL": "https://github.com/devcontainers/features/tree/main/src/kubectl-helm-minikube",
"description": "Installs latest version of kubectl, Helm, and optionally minikube. Auto-detects latest versions and installs needed dependencies.",
"options": {
"version": {
"type": "string",
"proposals": [
"latest",
"none",
"1.23",
"1.22",
"1.21",
"none"
],
"default": "latest",
"description": "Select or enter a Kubernetes version to install"
},
"mounts": [
{
"source": "minikube-config",
"target": "/home/vscode/.minikube",
"type": "volume"
}
],
"customizations": {
"vscode": {
"settings": {
"github.copilot.chat.codeGeneration.instructions": [
{
"text": "This dev container includes kubectl, Helm, optionally minikube, and needed dependencies pre-installed and available on the `PATH`. When configuring Ingress for your Kubernetes cluster, note that by default Kubernetes will bind to a specific interface's IP rather than localhost or all interfaces. This is why you need to use the Kubernetes Node's IP when connecting - even if there's only one Node as in the case of Minikube."
}
]
}
}
"helm": {
"type": "string",
"proposals": [
"latest",
"none"
],
"default": "latest",
"description": "Select or enter a Helm version to install"
},
"installsAfter": [
"ghcr.io/devcontainers/features/common-utils"
]
"minikube": {
"type": "string",
"proposals": [
"latest",
"none"
],
"default": "latest",
"description": "Select or enter a Minikube version to install"
}
},
"mounts": [
{
"source": "minikube-config",
"target": "/home/vscode/.minikube",
"type": "volume"
}
],
"customizations": {
"vscode": {
"settings": {
"github.copilot.chat.codeGeneration.instructions": [
{
"text": "This dev container includes kubectl, Helm, optionally minikube, and needed dependencies pre-installed and available on the `PATH`. When configuring Ingress for your Kubernetes cluster, note that by default Kubernetes will bind to a specific interface's IP rather than localhost or all interfaces. This is why you need to use the Kubernetes Node's IP when connecting - even if there's only one Node as in the case of Minikube."
}
]
}
}
},
"installsAfter": [
"ghcr.io/devcontainers/features/common-utils"
]
}
15 changes: 13 additions & 2 deletions src/kubectl-helm-minikube/install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,9 @@ set -e
# Clean up
rm -rf /var/lib/apt/lists/*

# Fallback version when stable.txt cannot be fetched (updated: 2026-02)
KUBECTL_FALLBACK_VERSION="v1.35.1"

KUBECTL_VERSION="${VERSION:-"latest"}"
HELM_VERSION="${HELM:-"latest"}"
MINIKUBE_VERSION="${MINIKUBE:-"latest"}" # latest is also valid
Expand Down Expand Up @@ -164,7 +167,15 @@ if [ ${KUBECTL_VERSION} != "none" ]; then
# Install the kubectl, verify checksum
echo "Downloading kubectl..."
if [ "${KUBECTL_VERSION}" = "latest" ] || [ "${KUBECTL_VERSION}" = "lts" ] || [ "${KUBECTL_VERSION}" = "current" ] || [ "${KUBECTL_VERSION}" = "stable" ]; then
KUBECTL_VERSION="$(curl -sSL https://dl.k8s.io/release/stable.txt)"
KUBECTL_VERSION="$(curl -fsSL --connect-timeout 10 --max-time 30 https://dl.k8s.io/release/stable.txt 2>/dev/null | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+' || echo "")"
if [ -z "${KUBECTL_VERSION}" ]; then
echo "(!) Failed to fetch kubectl stable version from dl.k8s.io, trying alternative URL..."
KUBECTL_VERSION="$(curl -fsSL --connect-timeout 10 --max-time 30 https://storage.googleapis.com/kubernetes-release/release/stable.txt 2>/dev/null | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+' || echo "")"
fi
if [ -z "${KUBECTL_VERSION}" ]; then
echo "(!) Failed to fetch kubectl stable version from both URLs. Using fallback version ${KUBECTL_FALLBACK_VERSION}"
KUBECTL_VERSION="${KUBECTL_FALLBACK_VERSION}"
fi
else
find_version_from_git_tags KUBECTL_VERSION https://github.com/kubernetes/kubernetes
fi
Expand All @@ -174,7 +185,7 @@ if [ ${KUBECTL_VERSION} != "none" ]; then
curl -sSL -o /usr/local/bin/kubectl "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/${architecture}/kubectl"
chmod 0755 /usr/local/bin/kubectl
if [ "$KUBECTL_SHA256" = "automatic" ]; then
KUBECTL_SHA256="$(curl -sSL "https://dl.k8s.io/${KUBECTL_VERSION}/bin/linux/${architecture}/kubectl.sha256")"
KUBECTL_SHA256="$(curl -sSL "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/${architecture}/kubectl.sha256")"
fi
([ "${KUBECTL_SHA256}" = "dev-mode" ] || (echo "${KUBECTL_SHA256} */usr/local/bin/kubectl" | sha256sum -c -))
if ! type kubectl > /dev/null 2>&1; then
Expand Down